Chemistry
The indicator which changes to pink colour in an alkaline solution is:
- Blue Litmus
- Methyl Orange
- Red Litmus
- Phenolphthalein
Related Questions
The acid which does not form acid salt by a basic radical:
- H2CO3
- H3PO4
- H2SO4
- CH3COOH
The general formula of hydrocarbons with single covalent bonds is:
- CnH2n+2
- CnH2n
- CnH2n-2
- CnH2n-6
Match the Column A with Column B:
Column A Column B (a) Sodium Chloride 1. has two shared pair of electrons (b) Methane 2. has high melting and boiling points (c) Hydrogen chloride gas 3. a greenhouse gas (d) Oxidation reaction 4. has low melting and boiling points (e) Water 5. Zn - 2e- ⟶ Zn2+ 6. S + 2e- ⟶ S2- The following sketch illustrates the process of conversion of Alumina to Aluminium:
Study the diagram and answer the following:
(a) Name the constituent of the electrolyte mixture which has a divalent metal in it.
(b) Name the powdered substance 'X' sprinkled on the surface of the electrolyte mixture.
(c) What is the name of the process?
(d) Write the reactions taking place at the electrodes 'Y' (anode) and 'Z' (cathode) respectively.